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STP16CP05
Low voltage 16-Bit constant current LED sink driver
Features

Low voltage power supply down to 3V 16 constant current output channels Adjustable output current through external resistor Serial Data IN/Parallel Data OUT Can be driven by a 3.3V microcontroller Output current: 5-80mA Max clock frequency 30MHz ESD protection 2.5kV HBM, 200V MM
TSSOP24 TSSOP24 (exposed pad) DIP-24 SO-24
Description
The STP16CP05 is a monolithic, low voltage, low current power 16-bit shift register designed for LED panel displays. The STP16CP05 contains a 16-bit serial-in, parallel-out shift register that feeds a 16-bit, D-type storage register. In the output stage, sixteen regulated current sources provide from 5mA to 80mA constant current to drive the LEDs. The output current setup time is 40ns (typ), thus improving the system performance. The LEDs' brightness can be controlled by using an external resistor to adjust the STP16CP05 output current. The STP16CP05 guarantees a 20V output driving capability, allowing users to connect more LEDs in series.The high clock frequency, 30MHz, makes the device suitable for high data rate transmission. The 3.3V voltage supply is useful in applications that interface with a 3.3V microntroller.
Order codes
Part number STP16CP05B1R STP16CP05MTR STP16CP05TTR STP16CP05XTR Package DIP-24 SO-24 TSSOP24 TSSOP24 Exposed Pad Packaging 15 parts per tube 1000 parts per reel 2500 parts per reel 2500 parts per reel
December 2006
Rev 2
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www.st.com 26
Contents
STP16CP05
Contents
1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Pin connection and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 4 5 6 7 8 9
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Equivalent circuit and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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STP16CP05
Summary description
1
Summary description
Table 1. Current accuracy
Current accuracy Output voltage Between bits 1.0V 0.2V 3% 6% Between ICs 8% 8% 15 to 80 mA 5 to 15 mA 3.3V to 5V 25C Output current VDD temp.
1.1
Pin connection and description
Figure 1. Pin connection
Note:
The exposed pad is electrically not connected Table 2.
PIN N 1 2 3 4 5-20 21 22 23 24
Pin description
Symbol GND SDI CLK LE OUT 0-15 OE SDO R-EXT VDD Ground Terminal Serial data input terminal Clock input terminal Latch input terminal Output terminal Input terminal of output enable (active low) Serial data out terminal Input terminal of an external resistor for constant current programing Supply voltage terminal 3/26 Name and function
Electrical ratings
STP16CP05
2
2.1
Electrical ratings
Absolute maximum ratings
Stressing the device above the rating listed in the "Absolute Maximum Ratings" table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 3.
Symbol VDD VO IO VI IGND fCLK Supply voltage Output voltage Output current Input voltage GND terminal current Clock frequency
Absolute maximum ratings
Parameter Value 0 to 7 -0.5 to 20 80 -0.4 to VDD+0.4 1300 50 Unit V V mA V mA MHz
2.2
Thermal data
Table 4.
Symbol TOPR TSTG
Thermal data
Parameter Operating temperature range Storage temperature range DIP-24 TSSOP24 Value -40 to +125 -55 to +150 60 85 37.5 75 Unit C C C/W C/W C/W C/W
RthJC
Thermal resistance junction-case
TSSOP24 Exposed Pad SO-24
(1)
1. The exposed pad should be soldered directly to the PCB to realize the thermal benefits.
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STP16CP05
Electrical ratings
2.3
Recommended operating conditions
Table 5.
Symbol VDD VO IO IOH IOL VIH VIL twLAT twCLK twEN
Recommended operating conditions at 25C
Parameter Supply voltage Output voltage Output current Output current Output current Input voltage Input voltage LE pulse width CLK pulse width /OE pulse width VDD = 3.3V to 5.0V OUTn SERIAL-OUT SERIAL-OUT 0.7VDD -0.3 20 16 200 20 15 15 Cascade operation
(1)
Test conditions
Min 3.0
Typ
Max 5.5 20
Unit V V mA mA mA V V ns ns ns ns ns ns
3
80 +1 -1 VDD+0.3 0.3VDD
tSETUP(D) Setup time for DATA tHOLD(D) Hold time for DATA tSETUP(L) Setup time for LATCH fCLK Clock frequency
30
MHz
1. If the device is connected in cascade, it may not be possible achieve the maximum data transfer. Please considered the timings carefully.
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Electrical characteristics
STP16CP05
3
Electrical characteristics
Table 6.
Symbol VIH VIL IOH VOL VOH IOL1 IOL2 IOL1 IOL2 RSIN(up) Output current error between bit (All Output ON) Pull-up resistor
Electrical characteristics (VDD = 3.3V to 5V, T = 25C, unless otherwise specified.)
Parameter Input voltage high level Input voltage low level Output leakage current Output voltage (Serial-OUT) Output voltage (Serial-OUT) Output current VOH = 20V IOL = 1mA IOH = -1mA VO = 0.3VREXT = 976 VO = 1.2VREXT = 241 VO = 0.3VREXT = 976 VO = 1.2VREXT = 241 150 100 REXT = 970 OUT 0 to 15 = OFF Supply current (OFF) REXT = 240 OUT 0 to 15 = OFF REXT = 970 OUT 0 to 15 = ON Supply current (ON) REXT = 240 OUT 0 to 15 = ON Thermal protection VDD-0.4V 20 80 2 2 300 200 4 11.2 mA 4.5 11.7 170 C 3 3 600 400 Test conditions Min 0.7VDD GND Typ Max VDD 0.3VDD 10 0.4 Unit V V A V V mA mA % % K K
RSIN(down) Pull-down resistor IDD(OFF1) IDD(OFF2) IDD(ON1) IDD(ON2) Thermal
6/26
STP16CP05
Electrical characteristics
Table 7.
Symbol tPLH1
Switching characteristics (VDD = 5V, T = 25C, unless otherwise specified.)
Parameter Propagation Delay Time, CLK-OUTn, LE = H, /OE = L Propagation Delay Time, LE-OUTn, /OE = L Propagation Delay Time, /OE-OUTn, LE = H Propagation Delay Time, CLK-SDO Propagation Delay Time, CLK-OUTn, LE = H, /OE = L Propagation Delay Time, LE-OUTn, /OE = L Propagation Delay Time, /OE-OUTn, LE = H Propagation Delay Time, CLK-SDO Output Rise Time 10~90% of voltage waveform Output Fall Time 90~10% of voltage waveform CLK Rise Time (1) CLK Fall Time
(1)
Test conditions VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VIH = VDD VIL = GND IO = 20mA REXT = 1K CL = 10pF VL = 3.0 V RL = 60 VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V VDD = 3.3V VDD = 5V
Min
Typ 62 39 60 41 65 43 8 5 18 16 19 15 23 20 8.5 5.5 100 22 13 18
Max 90
Unit ns
55 88 ns 57 95 ns 60 12 ns 7 25 ns 22 25 ns 21 31 ns 27 13 ns 8 130 ns 35 18 ns 25 5000 5000 ns ns
tPLH2
tPLH3
tPLH
tPHL1
tPHL2
tPHL3
tPHL
tON
tOFF tr tf
1. In order to achieve high cascade data transfer,please consider tr/tf timings carefully.
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Equivalent circuit and outputs
STP16CP05
4
Equivalent circuit and outputs
Figure 2. OE Terminal
Figure 3.
LE Terminal
Figure 4.
CLK, SDI Terminal
8/26
STP16CP05 Figure 5. SDO Terminal
Equivalent circuit and outputs
Figure 6.
Block diagram
9/26
Timing diagrams
STP16CP05
5
Timing diagrams
Table 8.
CLOCK
Truth Table
LE H L H X X /OE L L L L L SERIALOUT0 ............. OUT7 ................ OUT15 IN Dn Dn + 1 Dn + 2 Dn + 3 Dn + 3 Dn ..... Dn - 7 ..... Dn -15 No Change Dn - 2 ..... Dn - 5 ..... Dn -13 Dn - 2 ..... Dn - 5 ..... Dn -13 ON SDO Dn - 15 Dn - 14 Dn - 13 Dn - 13 Dn - 13
Note:
OUT0 to OUT15 = ON when Dn = H; OUT0 to OUT15 = OFF when Dn = L. Figure 7. Timing diagram
Note: 1 2 3
The latches circuit holds data when the LE terminal is Low. When LE terminal is at High level, latch circuit hold the data it passes from the input to the output. When OE terminal is at Low level, output terminals OUT0 to OUT15 respond to the data, either ON or OFF. When OE terminal is at High level, it switches off all the data on the output terminal.
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STP16CP05 Figure 8. Clock, serial-in, serial-out
Timing diagrams
11/26
Timing diagrams Figure 9. Clock, serial-in, latch, enable, outputs
STP16CP05
Figure 10. Outputs
12/26
STP16CP05
Typical characteristics
6
Typical characteristics
Figure 11. Output current-REXT resistor
Table 9.
Output current-REXT resistor
Rext (Ohm) 976 780 652 560 488 433 389 354 325 300 278 259 241 229 215 Output current (mA) 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
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Typical characteristics
STP16CP05
Figure 12. Output current vs IOL(%)
Figure 13. ISET vs drop out voltage (Vdrop)
14/26
STP16CP05
Typical characteristics
Figure 14. IDD ON\OFF
15/26
Test circuit
STP16CP05
7
Test circuit
Figure 15. DC characteristic
Figure 16. AC characteristic
16/26
STP16CP05 Figure 17. Typical application schematic
Test circuit
STP16CP05
Note:
VL will be determined by the VF of the LEDs Test condition: Temp. = 25C, VDD = 3.0V, VIN = VDD, CL = 10pF, Freq. = 1MHz, Ch1 = CLK, Ch2 = SDI, Ch3 = OUTn , Ch4 = VOUT Figure 18. Turn ON output current setup
Figure 19. Turn OFF output current setup
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Package mechanical data
STP16CP05
8
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com
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STP16CP05
Package mechanical data
Table 10.
Dim.
Plastic DIP-24 (0.25) mechanical data
mm. Min. Typ Max. 4.32 0.38 3.3 0.41 1.40 0.20 31.62 7.62 6.35 6.60 2.54 7.62 3.18 0 3.43 15 0.125 0 0.46 1.52 0.25 31.75 0.51 1.65 0.30 31.88 8.26 6.86 0.016 0.055 0.008 1.245 0.300 0.250 0.260 0.100 0.300 0.135 15 0.015 0.130 0.018 0.060 0.010 1.250 0.020 0.065 0.012 1.255 0.325 0.270 Min. inch Typ. Max. 0.170
A A1 A2 B B1 c D E E1 e E1 L M
Figure 20. Plastic DIP-24 (0.25) package dimensions
19/26
Package mechanical data Table 11.
Dim. Min. A A1 A2 b c D E e H K L 6.25 0 0.50 0.19 0.09 7.7 4.3 0.65 BSC 6.5 8 0.70 0.246 0 0.020 0.05 0.9 0.30 0.20 7.9 4.5 0.0075 0.0035 0.303 0.169 0.0256 BSC Typ Max. 1.1 0.15 0.002 0.035 Min. Typ.
STP16CP05
TSSOP24 mechanical data
mm. inch Max. 0.043 0.006
0.0118 0.0079 0.311 0.177
0.256 8 0.028
Figure 21. TSSOP24 Package dimensions
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STP16CP05 Table 12.
Dim. Min. A C D N T Ao Bo Ko Po P 6.8 8.2 1.7 3.9 11.9 12.8 20.2 60 22.4 7 8.4 1.9 4.1 12.1 0.268 0.323 0.067 0.153 0.468 Typ Max. 330 13.2 0.504 0.795 2.362 Min.
Package mechanical data Tape & Reel TSSOP24
mm. inch Typ. Max. 12.992 0.519
0.882 0.276 0.331 0.075 0.161 0.476
Figure 22. Reel dimensions
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Package mechanical data Table 13.
Dim. Min. A a1 a2 b b1 C c1 D E e e3 F L S 7.40 0.50 15.20 10.00 1.27 13.97 7.60 1.27 0.291 0.020 (max.) 8 15.60 10.65 0.35 0.23 0.5 45(typ.) 0.598 0.393 0.050 0.550 0.1 Typ Max. 2.65 0.2 2.45 0.49 0.32 0.014 0.009 0.020 0.004 Min. Typ.
STP16CP05
SO-24 mechanical data
mm. inch Max. 0.104 0.008 0.096 0.019 0.012
0.614 0.419
0.300 0.050
Figure 23. SO-24 package dimensions
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STP16CP05 Table 14.
Dim. Min. A C D N T Ao Bo Ko Po P 10.8 15.7 2.9 3.9 11.9 12.8 20.2 60 30.4 11.0 15.9 3.1 4.1 12.1 0.425 0.618 0.114 0.153 0.468 Typ Max. 330 13.2 0.504 0.795 2.362 Min.
Package mechanical data Tape & Reel SO-24
mm. inch Typ. Max. 12.992 0.519
1.197 0.433 0.626 0.122 0.161 0.476
Figure 24. Reel dimensions
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Package mechanical data Table 15.
Dim. Min. A A1 Typ. Max. 1.2 0.15 0.004 Min. Typ.
STP16CP05
TSSOP24 exposed-pad
mm inch Max. 0.047 0.006
A2 b c D D1 E E1 E2 e K L
0.8 0.19 0.09 7.7
1
1.05 0.30 0.20
0.031 0.007 0.004 0.303 0.106
0.039
0.041 0.012 0.0089
7.8 2.7
7.9
0.307
0.311
6.2 4.3
6.4 4.4 1.5 0.65
6.6 4.5
0.244 0.169 0.059
0.252 0.173
0.260 0.177
0.0256 8 0 0.018 0.024 8 0.030
0 0.45 0.60
0.75
Figure 25. TSSOP24 Dimensions
24/26
STP16CP05
Revision history
9
Revision history
Table 16.
Date 28-Jul-2006 21-Dec-2006
Revision history
Revision 1 2 First release Final datasheet Changes
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STP16CP05
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